889960620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{644899}}^1$

素因数の和:644934

約数の個数: 48

約数和(自身を含む): 2600236800

約数和(自身を除く): 1710276180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 644899, 1289798, 1934697, 2579596, 3224495, 3869394, 6448990, 7738788, 9673485, 12897980, 14832677, 19346970, 29665354, 38693940, 44498031, 59330708, 74163385, 88996062, 148326770, 177992124, 222490155, 296653540, 444980310, 889960620]

約数ペア:

[(1, 889960620), (2, 444980310), (3, 296653540), (4, 222490155), (5, 177992124), (6, 148326770), (10, 88996062), (12, 74163385), (15, 59330708), (20, 44498031), (23, 38693940), (30, 29665354), (46, 19346970), (60, 14832677), (69, 12897980), (92, 9673485), (115, 7738788), (138, 6448990), (230, 3869394), (276, 3224495), (345, 2579596), (460, 1934697), (690, 1289798), (1380, 644899)]